Global Patent Index - EP 3992648 A4

EP 3992648 A4 20221005 - BATTERY DIAGNOSIS DEVICE AND METHOD

Title (en)

BATTERY DIAGNOSIS DEVICE AND METHOD

Title (de)

VORRICHTUNG UND VERFAHREN ZUR BATTERIEDIAGNOSE

Title (fr)

DISPOSITIF ET PROCÉDÉ DE DIAGNOSTIC DE BATTERIE

Publication

EP 3992648 A4 20221005 (EN)

Application

EP 20902257 A 20201209

Priority

  • KR 20190172451 A 20191220
  • KR 2020017931 W 20201209

Abstract (en)

[origin: EP3992648A1] An apparatus for diagnosing a battery according to an embodiment of the present invention may include a voltage measurement unit that measures a voltage of a battery cell, a signal conversion unit that converts the voltage of the battery cell measured by the voltage measurement unit into a differential signal, and an abnormality diagnostic unit that diagnoses an abnormality of the battery cell based on the differential signal.

IPC 8 full level

G01R 31/367 (2019.01); G01R 31/36 (2020.01)

CPC (source: EP KR US)

G01R 31/3648 (2013.01 - KR US); G01R 31/367 (2019.01 - EP KR US); G01R 31/396 (2019.01 - US); Y02E 60/10 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3992648 A1 20220504; EP 3992648 A4 20221005; JP 2022545033 A 20221024; JP 7384529 B2 20231121; KR 20210080069 A 20210630; US 2022276319 A1 20220901; WO 2021125676 A1 20210624

DOCDB simple family (application)

EP 20902257 A 20201209; JP 2022512418 A 20201209; KR 20190172451 A 20191220; KR 2020017931 W 20201209; US 202017630360 A 20201209